[Sipping] Re: draft-rosenberg-sipping-overload-reqs recovery

Cullen Jennings wrote:

> 
> A possible additional requirement....
> 
> Imagine a system (perhaps a single proxy) that could do 100cps. It is  
> in steady state doing 80cps with very few retransmission. Then for 5  
> minutes the incoming requests goes to 500cps then drops back to an  
> incoming call rate of 80cps. The question is, how long before the  
> system gets back to the state where it if is successfully processing  
> all the 80cps?

As soon as it can. Are you suggesting a requirement here? Seems like 
this is an implementation thing and wouldn't impact any protocol mechanisms.

> 
> I have seen systems that never recover - that is bad. I think one of  
> the design goals is that it is at least possible to build to systems  
> that recover back to steady state relatively quickly after an  overload 
> impulse.

Sure; but I'm not sure I see the protocol requirement.

-Jonathan R.

-- 
Jonathan D. Rosenberg, Ph.D.                   600 Lanidex Plaza
Cisco Fellow                                   Parsippany, NJ 07054-2711
Cisco Systems
jdrosen@cisco.com                              FAX:   (973) 952-5050
http://www.jdrosen.net                         PHONE: (973) 952-5000
http://www.cisco.com

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